What must be true for a male individual to be a carrier of a Y-linked recessive allele? A.
The gene has no other alleles.

B.
The gene is only expressed in females.

C.
The gene is silenced on the Y chromosome.

D.
The gene is also found on the X chromosome.

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms